Find the domain and range of f x = sin - 1 log x + log sin - 1 x , where [.] denotes.

fx=sin-1logx+logsin-1xquantity inside log should be greater than zerosin-1x>0we know sin-1y>0, when y>0x>0 _______1x1 _______1 Also we know that domain of sin-1x is -1x1-1x1From equation 10<x1Note: x is an integerx=11x<2sin-1logx=sin-1log1=sin-10=0 has no problem with 1x<2Domain: x[1,2)

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